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Lubin mine
The Lubin mine is a large mine in the west of Poland in Lubin, Lubin County, 347 km south-west of the capital, Warsaw. Lubin represents one of the largest copper and silver reserve in Poland having estimated reserves of 347 million tonnes of ore grading 1.26% copper and 58 g/tonnes silver. The annual ore production is around 7.3 million tonnes from which 92,000 tonnes of copper and 423 tonnes of silver are extracted. == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Lubin mine」の詳細全文を読む
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